Home / 1,308,756.34-1,963,159.11-410,178.18

Finding the Fourth Proportional to 1,308,756.34, 1,963,159.11 and 410,178.18

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Solution

The fourth proportional to 1,308,756.34, 1,963,159.11 and 410,178.18 is: 615,274.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,756.34 : 1,963,159.11 = 410,178.18 : x
  2. Step 2: Convert to fraction form
    1,308,756.34/1,963,159.11 = 410,178.18/x
  3. Step 3: Cross multiply
    1,308,756.34x = 1,963,159.11 × 410,178.18
  4. Step 4: Simplify right side
    1,308,756.34x = 805,245,025,955.67
  5. Step 5: Solve for x
    x = 805,245,025,955.67/1,308,756.34
  6. Step 6: Final answer
    x = 615,274.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.